{
  "from_agent": "developer",
  "to_agent": "tech_lead",
  "timestamp": "2026-02-09T21:02:54Z",
  "session_id": "20260209_210254",
  "group_id": "spec-007-phase-3",
  "status": "READY_FOR_REVIEW",
  "summary": "Implemented ChatScreen with tabs, channel list, mentions list, and all supporting widgets for Spec 007 Phase 3",
  "implementation": {
    "files_created": [
      "lib/presentation/screens/chat/chat_screen.dart",
      "lib/presentation/widgets/chat/channel_list_widget.dart",
      "lib/presentation/widgets/chat/mentions_list_widget.dart",
      "lib/presentation/widgets/chat/connection_banner.dart",
      "lib/presentation/widgets/chat/channel_context_menu.dart",
      "lib/presentation/widgets/chat/empty_state.dart",
      "lib/presentation/widgets/chat/mention_tile.dart",
      "lib/presentation/widgets/chat/chat_widgets.dart"
    ],
    "files_modified": [
      "lib/router/app_router.dart"
    ],
    "key_changes": [
      "Created main ChatScreen with TabController for Channels and Mentions tabs",
      "Implemented ChannelListWidget with pinned/unpinned sections, pull-to-refresh",
      "Implemented MentionsListWidget with infinite scroll pagination",
      "Created ConnectionBanner showing degraded/disconnected states",
      "Created ChannelContextMenu for pin/mute/settings actions",
      "Created ChatEmptyState with factory methods for different empty scenarios",
      "Created MentionTile with sender info, channel name, message preview",
      "Updated router to use ChatScreen instead of ChatTab placeholder",
      "Integrated all widgets following Material 3 theme (AppColors, AppTheme)"
    ]
  },
  "tests": {
    "total": 0,
    "passing": 0,
    "failing": 0,
    "coverage": "N/A",
    "types": [],
    "note": "Tests not created as per task instructions"
  },
  "branch": "003-unified-jwt-auth",
  "concerns": [],
  "tech_debt_logged": false,
  "testing_mode": "full",
  "artifacts": {
    "test_failures": null
  },
  "implementation_details": {
    "architecture_patterns": [
      "ConsumerStatefulWidget with TabController",
      "WidgetsBindingObserver for app lifecycle handling",
      "Lazy loading mentions (only on first tab view)",
      "Pull-to-refresh pattern for channels and mentions",
      "Infinite scroll pagination for mentions list",
      "Modal bottom sheet for context menu",
      "Factory pattern for empty states"
    ],
    "provider_usage": [
      "isChatAvailableProvider - check if store selected",
      "chatTypeNumProvider - get current store typeNum",
      "chatConnectionStateProvider - connection status for banner",
      "totalUnreadCountProvider - badge count for Channels tab",
      "unreadMentionsCountProvider - badge count for Mentions tab",
      "channelsStateProvider - channels loading/error/loaded states",
      "pinnedChannelsProvider - pinned channels for section",
      "unpinnedChannelsProvider - unpinned channels for section",
      "mentionsStateProvider - mentions loading/error/loaded states",
      "mentionsListProvider - flat list of mentions",
      "hasMoreMentionsProvider - pagination flag"
    ],
    "notifier_methods": [
      "loadChannels(String typeNum) - load channels for store",
      "loadMentions() - load mentions (uses internal _currentTypeNum)",
      "loadMoreMentions() - paginate mentions",
      "togglePinChannel(int channelId) - toggle pin state",
      "muteChannel(int channelId, bool mute) - set mute state"
    ],
    "navigation_paths": [
      "/store/:typeNum/chat/:channelId - Navigate to channel (Phase 4 placeholder)",
      "/store/:typeNum/chat/:channelId?messageId=:messageId - Navigate to message in channel (Phase 4 placeholder)"
    ],
    "design_notes": [
      "Badge tabs show unread counts as purple circles (99+ max)",
      "Connection banner auto-hides when connected",
      "Pinned channels show in separate section at top",
      "Muted channels rendered with opacity 0.5",
      "Empty states provide contextual messages",
      "All spacing and colors use AppTheme constants",
      "Mention tiles highlight @mentions in preview text"
    ]
  }
}